Home / 21,792,029.80-32,638,278.30-12,834,077.80

Finding the Fourth Proportional to 21,792,029.80, 32,638,278.30 and 12,834,077.80

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Solution

The fourth proportional to 21,792,029.80, 32,638,278.30 and 12,834,077.80 is: 19,221,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,029.80 : 32,638,278.30 = 12,834,077.80 : x
  2. Step 2: Convert to fraction form
    21,792,029.80/32,638,278.30 = 12,834,077.80/x
  3. Step 3: Cross multiply
    21,792,029.80x = 32,638,278.30 × 12,834,077.80
  4. Step 4: Simplify right side
    21,792,029.80x = 418,882,202,960,251.75
  5. Step 5: Solve for x
    x = 418,882,202,960,251.75/21,792,029.80
  6. Step 6: Final answer
    x = 19,221,807.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.